Oracle 11g is the July 11th, 2007 release of Oracle’s primary database product. New features added in 11.0.1 include Virtual Columns, Automatic Memory Management and Interval Partitioning.

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How can I unload Oracle database tables into a csv files?

I need to retrieve certain data from an Oracle 11g release 1 database and provide it as one or more CSV files. The data resides in multiple tables and/or views. All this should work via the command ...
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1answer
5k views

Net Start OracleXETNSListner

I am trying to run Oracle Express Edition on Windows 7 and getting the following error. C:\oraclexe\app\oracle\product\1O.2.O\server\BIN>net start OracleXETNSListener System error 5 has ...
1
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1answer
8k views

How to take undo datafile offline ,which is in recovery mode?

I am trying to take undo datafile in offline mode using following command alter database datafile '<datafile path>' offline; this datafile is in recovery mode. Oracle shows message as ...
3
votes
3answers
5k views

AWR Report - Tuning Database

We have an OLTP system, following are our AWR reports taken during peak hour window for three days once each day. We see a lot of direct path reads; we want to add more PGA in-order to reduce wait ...
3
votes
3answers
4k views

cursor: pin S wait on X in 11g

This has been one of top5 wait events in our database, even though there were not many waits but we see it as a potential threat, we want to find the root cause and solution. Any advice will be ...
1
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1answer
8k views

Asynch Descriptor Resize explanation

What do asynch descriptor resize wait events mean on an Oracle 11g database running on Windows 2008 R2? According to My Oracle Support, this event applies to any platform, but the description ...
9
votes
3answers
14k views

Is there any difference between Rem and — comments for SQL*Plus?

On SQL*Plus prompt, both Rem and -- qualify as comment indicators: Rem this is a comment -- this is also a comment create table emp ( id number primary key, name cvarchar2(40)); Is there any ...
3
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2answers
2k views

Connection Pooling for PHP based website using Oracle 11g database

I am using Oracle 11g database server and now I am getting to see that OCI's persistent connection isn't much of a use, and a new connection is created anyway when a new user accesses the page. I ...
13
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6answers
33k views

Best way to delete very large recordset in Oracle

I manage an application which has a very large (nearly 1TB of data with more than 500 million rows in one table) Oracle database back end. The database doesn't really do anything (no SProcs, no ...
3
votes
2answers
3k views

How to return a CTE as REFCURSOR from an Oracle stored procedure?

I tried to modify an Oracle stored procedure to use a CTE instead of a simple Select Statement. My procedure looked like this: Create or replace Myproc ( MyRefCursor IN OUT SYS_REFCURSOR) as begin ...
15
votes
3answers
34k views

Can I change the SID of an Oracle database?

The Server is Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Is there an easy & quick way to change the SIDs of the test databases on the server? Dropping & recreating of ...
9
votes
2answers
3k views

Why can't I read Oracles CLOB columns via SQL-SERVER 2008 linked server?

I want to access data in an Oracle 11g database from SQL-Server 2008 I set up a linked server and when I execute select * from [Link_server_name]..Oracle_schema.Oracle_table and Oracle_table ...
3
votes
1answer
511 views

Is there a way to allow a proxy connection to use passed authentication in a public database link?

I think the answer to this is no, but I could be wrong. If nothing else it might be nice for others to be aware of this limitation of proxy connections.